I have a SQL server with databases on LUN100. If that server should go down, I'd like for another SQL server to attach to LUN100 and continue to run databases....
You need clustering software to do this... I suppose it would be possible to write your own, but there are all kinds of issues out there that could cause you a...
I think you could have a hot standby server. When required, you could mask/map the LUN to the standby. Depends on your SLA for return to operations...
Kochanski, Mark A
MKOCHANS@...
Feb 3, 2006 3:11 pm
988
Yes, a hot standy server is exactly what I wanted. If I were to present the same LUN to this standy by, will this server want to write it's signature and...
No, you cannot pre-map/mask the CX LUN. If you primary server goes down, then take the few minutes to move the LUN to your hot standby. On you hot standby,...
Kochanski, Mark A
MKOCHANS@...
Feb 3, 2006 6:25 pm
990
If the drives already have a MS signature on them, then no, it won't try to write another one... you'll just want to make absolutely sure that you only have...
I recently had a switch fail. I got the server connected back by just popping the fiber to new switch in same Fabric. No zoning changes. Is it best practice...
It depends on if you are hard or soft zoning. If you are hard zoned then yes you need to, if not remove the zone, replace the port in that zone. If you are...
what is hard vs. soft zoning? ... zoned then yes you need to, if not remove the zone, replace the port in that zone. If you are soft zoned, then you need only...
There is a small "gotya" in the simple soft zone swap. If the hosts involved are HP-UX hosts, then the Hardware address will change. I have never gotten an...
Soft Zoning is by World Wide Name, Hard Zoning is by Switch Port number. The most common is soft Zoning. You can tell by looking at your zones. If they have...
No -- MetaLUNs are formed on the Clariion itself (at the hardware level) by taking multiple Clariion LUNs and grouping them together to form a larger LUN. The...
Thanks Rich, Thats good information do you have any documents on it, i've heard that but never seen it. Dave Chandler rich.taft@... wrote: There is a small...
Thats the Thing, It isn't documented anyplace that I have found. It just happens and no one can tell me why. It may have something to do with the SID #...
Gotcha, any known way to fix after the fact? rich.taft@... wrote: Thats the Thing, It isn't documented anyplace that I have found. It just happens and no...
Well yes and no. What needs to happen is you need to remove the Original device file and then do a MKMOD to create it with the new device id. This can be a...
You have a few errors....the command is MKNOD to recreate a volume group. The command to extend (create a pvlink) is vgextend, vgreduce to remove a pvlink. ...
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Thanks for the correction. Been some time since I was a HP-UX admin. Commands are a little fuzzy -- Richard Taft www.taftphoto.com ... From: Sue Pellerito...
I'm don't admin any systems that behave this way, but I believe this is because HPUX (and AIX, I'm told) use the Fibre Channel ID (FCID) assigned to the switch...
I believe that this will occur only if you move the cable to another port in the fabric that has a different DID (domain ID, each switch has a unique one). If...
Another differentiation is how the zoning is enforced. This can be important from a security perspective. Hard zoning is enforced within the physical...
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Let me know if you have anyone who will be interested and available with word formatted resume, Contact #, availability and hourly rate asap. Thanks: Samir...
Hi Folks, Would anybody have an idea how to migrate a server(SUN) With Disksuite?? I'm setup to do a LOCAL R1 & R2..How do I get to the R2??? Each group (3)is...
Hmm. I'm guessing that we're talking about migrating from one Symm to another. SRDF will allow you to copy your data over to a new Symm, and then split the...
All, I am new to SRDF. I have attended EMC's class on TF/SRDF but it has been a while. My question is.. Does the RA link automatically set up once the...
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